All Discussions Tagged 'pump' - Home Energy Pros2016-12-10T01:28:24Zhttp://homeenergypros.lbl.gov/forum/topic/listForTag?tag=pump&feed=yes&xn_auth=noI am searching for study materialtag:homeenergypros.lbl.gov,2015-09-30:6069565:Topic:1885992015-09-30T23:50:42.264ZLuis Hernandezhttp://homeenergypros.lbl.gov/profile/LuisHernandez
<p>Greetings everyone, </p>
<p></p>
<p> I will be taking the AC /heat pump BPI class in November and I am in search for study material to prepared me for the class. When searching online all you get are class offerings, not study material! None of my friends in home performance have that certification, so they tell me to wait for the class to get my binder.... my point is if I read ahead without the stress of been in the class, I be better prepared and have a chance to ask even better…</p>
<p>Greetings everyone, </p>
<p></p>
<p> I will be taking the AC /heat pump BPI class in November and I am in search for study material to prepared me for the class. When searching online all you get are class offerings, not study material! None of my friends in home performance have that certification, so they tell me to wait for the class to get my binder.... my point is if I read ahead without the stress of been in the class, I be better prepared and have a chance to ask even better questions... so is anyone here that could help me?</p>
<p></p>
<p>Thank you in advance, </p>
<p></p>
<p>Luis</p> Air Source Heat pump or mini-split efficiencytag:homeenergypros.lbl.gov,2014-04-18:6069565:Topic:1546192014-04-18T12:30:58.401ZLuis Hernandezhttp://homeenergypros.lbl.gov/profile/LuisHernandez
<p>Greetings everyone!</p>
<p></p>
<p> I have a technical questions I hope I could get some feedback! I understood that air source heat pumps are very efficient because of their ductless configuration. I have been told by a very smart person that adding a duct to a airsource heat pump (Daikin has now a unit that comes with duct) does not diminish with any great significance the efficiency of the unit. </p>
<p> I of course have my reasons to believe that using ducts is increasing the…</p>
<p>Greetings everyone!</p>
<p></p>
<p> I have a technical questions I hope I could get some feedback! I understood that air source heat pumps are very efficient because of their ductless configuration. I have been told by a very smart person that adding a duct to a airsource heat pump (Daikin has now a unit that comes with duct) does not diminish with any great significance the efficiency of the unit. </p>
<p> I of course have my reasons to believe that using ducts is increasing the liability to the system, but I like to refrain my reasons so I do not "influence" your thoughts... </p>
<p></p>
<p> Your thoughts?, which systems would you prefer? There are two working situations for this conversation, one is a 60 x 40 open floor, one room building (no kitchen, and no bathroom -just a working space); the other one is a 3 bedroom system home about 2500sq (both units are going to be air sealed and properly insulated. </p>
<p></p>
<p> Thank you everyone! </p>
<p></p>
<p>Luis</p> Student needs help for HVAC research projecttag:homeenergypros.lbl.gov,2013-11-01:6069565:Topic:1398982013-11-01T16:47:13.306ZLena Burketthttp://homeenergypros.lbl.gov/profile/LenaBurkett
<p>Hi, I am a Building Science student, working on a residential HVAC research project. Specifically, I am comparing the following types of systems in terms of energy usage, initial cost, maintenance cost, and lifespan, to determine the payback due to energy savings in several climates:</p>
<p>Furnace &amp; A/C split system (high, medium and low eff)</p>
<p>Heat Pump</p>
<p>Mini-Split</p>
<p>Geothermal Heat Pump</p>
<p>Radiant heating and cooling</p>
<p>Evaporative cooling</p>
<p></p>
<p>I have…</p>
<p>Hi, I am a Building Science student, working on a residential HVAC research project. Specifically, I am comparing the following types of systems in terms of energy usage, initial cost, maintenance cost, and lifespan, to determine the payback due to energy savings in several climates:</p>
<p>Furnace &amp; A/C split system (high, medium and low eff)</p>
<p>Heat Pump</p>
<p>Mini-Split</p>
<p>Geothermal Heat Pump</p>
<p>Radiant heating and cooling</p>
<p>Evaporative cooling</p>
<p></p>
<p>I have modeled these systems in a sample production home in an energy modeling software. I need some help estimating the upfront cost. Of course, I am not looking for itemized hard quotes, just a rough estimate of the parts plus labor. The systems are not going to be installed, I am only using the data in a model. I have already sized the equipment and have a estimate on the ducts (where applicable). I have been looking at Lennox and Carrier for the split systems, but I can use another brand if it is more convenient to price.</p>
<p>If anyone is able to help me with this, I would be very grateful. I would be happy to share the results as well. I can send the specific model numbers on this thread or via email. my email is burketthw@appstate.edu.</p>
<p>Thanks!</p> Backup Power for Pump on Radiant Heat Systemtag:homeenergypros.lbl.gov,2013-04-06:6069565:Topic:1132702013-04-06T11:34:52.297ZNick Helmholdthttp://homeenergypros.lbl.gov/profile/NickHelmholdt310
<p>A friend of mine in Traverse City asked about options for powering a pump on his home's radiant heat system. During an extended power outage last winter, their gas-fired boiler was able to provide heat, but without a pump, the heated water couldn't reach the living area. Tall pine trees surround the home so there is little opportunity for solar power without extensive tree removal. My question is if there is a system that allows a manual override of the pump for this type of system? </p>
<p>A friend of mine in Traverse City asked about options for powering a pump on his home's radiant heat system. During an extended power outage last winter, their gas-fired boiler was able to provide heat, but without a pump, the heated water couldn't reach the living area. Tall pine trees surround the home so there is little opportunity for solar power without extensive tree removal. My question is if there is a system that allows a manual override of the pump for this type of system? </p>